Dyslexia clinical trials

The registry lists 127 studies for Dyslexia across more than 10 countries. 27 are recruiting or about to start. 91 of them are mainly about Dyslexia (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-09.

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Status

Completed: 69
Status unknown: 20
Recruiting: 18
Active, not recruiting: 7
Enrolling by invitation: 5
Not yet recruiting: 4

Phase

Phase 4: 6
Phase 2: 5
Phase 3: 2
Phase 1: 2

Where

United States: 35
France: 27
Italy: 18
Hong Kong: 6
Turkey: 5
Finland: 4

Who runs them

IRCCS Eugenio Medea (8) · Catholic University of the Sacred Heart (6) · Vanderbilt University (5) · Hospices Civils de Lyon (4) · Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) (4) · Poppins (3) · Education University of Hong Kong (3) · University Hospital, Toulouse (3)

What is being tested here

Drugs under test in Dyslexia studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug	Open	Phase 3	All
Atomoxetine	0	0	4
Lovastatin	0	0	1
Lidocaine	0	0	1
Methylphenidate	0	0	1
Guanfacine	0	0	1
Levodopa	0	0	1

Coming up

0phase 3 studies under way

6studies finish main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

All 6

Dec 2026Personalization of Visual Characters and Text-to-Speech (TTS) to Support Learning in Students With Reading Difficulties · IRCCS Eugenio Medea
Jan 2027Interventions for Reading Disabilities in NF1 · Vanderbilt University
Jan 2027Pai.ACT: AI-Driven ACT Chatbot for Mental Health Triage and Service Evaluation · Chinese University of Hong Kong
Jun 2027Enhancing Letter-Speech Sound Learning and Reading Network Activation With Transcranial Electrical Stimulation · Silvia Brem
Jun 2027Intervention Effectiveness Study of BEtter AT LEarning (BEATLE)- Digital Neuropsychological Rehabilitation Program · Helsinki University Central Hospital
Jul 2027Brain Stimulation With Combined Reading and Motor Training for Children With Dyslexia · Shahid Beheshti University

Who these studies take

Of the 18 Dyslexia studies recruiting now, 2 (11%) set no upper age limit and 14 (78%) stop at 75 or younger. 13 (72%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 11 (61%) take healthy volunteers.

Recruiting studies that take each age, of 18
Age	Women	Men
10	7 (39%)	7 (39%)
18	7 (39%)	7 (39%)
30	6 (33%)	6 (33%)
40	5 (28%)	5 (28%)
50	5 (28%)	5 (28%)
65	4 (22%)	4 (22%)
75	4 (22%)	4 (22%)
85	4 (22%)	4 (22%)

Across all 127 studies, recruiting or not: 87% stop at 75 or younger and 85% at 65; 82% take children; 0% are for women only and 3% for men only; 49% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Dyslexia studies take

Of 69 interventional studies with no phase under Dyslexia, half reached primary completion within 24 months of starting, counting those still running.

Start to primary completion	Every sponsor	Industry	Non-industry
Interventional, no phase	24 mo9–57 · 69 studies	—	24 mo10–57 · 62 studies

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

What changed recently

From the registry's own updates since Oct 13, 2026.

Results posted1

Neurocognitive Factors in EdTech Intervention ResponseOct 20, 2026NCT04568824

Studies

Recruiting first, then most recently updated. Showing 50 of 127. Browse all 127 → or search them.